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artificial weeding
相关语句
  人工除草
     Comparing with the artificial weeding, the chemical weeding increased wheat yield by 375 kg/hm 2, and by products by 570 kg/hm 2. The economical profits were obvious.
     与人工除草比较,增产小麦382.95kg/hm2,副产物增加574.5kg/hm2,经济效益显著
短句来源
     Weeding by chemistry medicament could reduce labor 56.1%~61% than artificial weeding and could create better environment for growth of youngling.
     化学除草比人工除草减少用工56.1%~61%,同时为幼树生长创造良好的环境。
短句来源
     The late grouth of maize leaf was also not affected,The yield was increased by2.84% ~ 10.35% than that of CK and decreased by 4.79% ~ 10 .7% than that of artificial weeding.
     比空白对照增产2.84%~10.35%,比人工除草减产4.79%~10.70%。
短句来源
     In comparison with artificial weeding, chemical weeding reduces amount of labour by 56.1% to 61% and brings about better environment for growth of infant trees.
     化学除草比人工除草减少用工 5 6 .1%~ 6 1% ,同时为幼树生长创造良好的环境。
短句来源
     In view of this situation that artificial weeding needs a higher cost in lawn management, a comprehensive study on weeding method by chemical control was conducted from 1998 in Academy of Forestry Science of Changchun City, Jilin, China.
     针对草坪管理中人工除草费用偏高的问题,长春市林科院1998年起进行了防除草坪杂草的综合技术研究。
短句来源
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  “artificial weeding”译为未确定词的双语例句
     The weeding cost is only 68%~78% of that of artificial weeding.
     除莠成本只是人工除草的 6 8%~ 78%。
短句来源
     The way of agricultural control, i.e."burning thoroughly, bringing out repeatedly, crops rotating properly and turning up soil mainly, artificial weeding supplementarily", could control the growth or reduce the starting quantily of wild rice.
     本文指出,农业防除采用“全面烧草、多次诱发、合理轮作、重点耕翻、辅以人工拔除”,能控制或减轻野生稻发生的基数.
短句来源
     The three-time trial of weeding against the pest was carried out respectively in bamboo stands during 1988~1991. The results indicated that control efficiency has been over 90% by weeding with paraquat of 0.2 kg/mu or artificial weeding.
     竹林中杂草多少,决定该虫发生和危害程度,1988~1991年,进行了三次以竹林除草为主的防治试验。 结果表明,利用百草枯水剂0.2 kg/亩或人工及时除草,防治效果都在90%以上。
短句来源
  相似匹配句对
     Artificial Life
     计算机人工生命
短句来源
     ARTIFICIAL MARBLE
     人造“大理石”
短句来源
     The weeding cost is only 68%~78% of that of artificial weeding.
     除莠成本只是人工除草的 6 8%~ 78%。
短句来源
     On Chinese Periodical Weeding
     论中文期刊的剔旧工作
短句来源
     On Weeding of Library Collection
     试论藏书剔旧工作
短句来源
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Rice production on Mbalari Farm (and in Africa) was seriously affected by wild rice. The way of agricultural control, i.e."burning thoroughly, bringing out repeatedly, crops rotating properly and turning up soil mainly, artificial weeding supplementarily", could control the growth or reduce the starting quantily of wild rice. By chemical control, roundup control significantly control perennial wild rice, rousta could selectively control annual wild rice. The method of combining bringing out with killing,...

Rice production on Mbalari Farm (and in Africa) was seriously affected by wild rice. The way of agricultural control, i.e."burning thoroughly, bringing out repeatedly, crops rotating properly and turning up soil mainly, artificial weeding supplementarily", could control the growth or reduce the starting quantily of wild rice. By chemical control, roundup control significantly control perennial wild rice, rousta could selectively control annual wild rice. The method of combining bringing out with killing, planting without ploughing and sealing before germination was the best integrated control way. The production potentiality of rice could be fully played by cultivation depending on cultivars and management depending on seedlings according to the leaf-age-model of rice and its cultivation principles.

野生稻是坦桑尼亚姆巴拉利农场(也是非洲)水稻生产中的一大威胁.本文指出,农业防除采用“全面烧草、多次诱发、合理轮作、重点耕翻、辅以人工拔除”,能控制或减轻野生稻发生的基数.化学防除,草甘膦(Roundup)对多年生野稻防效显著;防除一年生野稻,恶草灵(Rousta具有一定的选择性作用,诱杀结合免耕播种,芽前封闭是近年最佳的综合防除措施.运用水稻叶龄模式及其栽培原理,因种栽培、因苗管理,能有效地发挥水稻生产潜力.

The bamboo shoot moth, Oligia vulgaris (Bulter), is a main pest of the bamboos, such as Phyllostachys glauca, Ph. iridenscens, Ph. dutis and Ph. viridis in Zhejiang province. The area of bamboo forests damaged by it has been reachd to 6,500 mu and the rate of bamboos infested has been 10~80%, or average of 45% at Anji County, Zhejiang province in 1988. The pest overwintered as eggs on the grasses of Gramineae or Cyperaceae, its larvae hatched on early March, feeded on the grasses and subsequently bored into...

The bamboo shoot moth, Oligia vulgaris (Bulter), is a main pest of the bamboos, such as Phyllostachys glauca, Ph. iridenscens, Ph. dutis and Ph. viridis in Zhejiang province. The area of bamboo forests damaged by it has been reachd to 6,500 mu and the rate of bamboos infested has been 10~80%, or average of 45% at Anji County, Zhejiang province in 1988. The pest overwintered as eggs on the grasses of Gramineae or Cyperaceae, its larvae hatched on early March, feeded on the grasses and subsequently bored into bamboo shoots on late April. Its occurence and damage degree was depended on abundance of the grasses in bamboo stands. The three-time trial of weeding against the pest was carried out respectively in bamboo stands during 1988~1991. The results indicated that control efficiency has been over 90% by weeding with paraquat of 0.2 kg/mu or artificial weeding.

竹笋夜蛾主要为害淡竹、红竹、哺鸡竹和刚竹,据1988年在安吉县调查,其发生面积达6500亩,有虫株率10~80%,平均为45%。该虫以卵在禾本科、莎草科杂草上越冬,3月上旬幼虫孵化于杂草中取食,4月下旬蛀笋为害。竹林中杂草多少,决定该虫发生和危害程度,1988~1991年,进行了三次以竹林除草为主的防治试验。结果表明,利用百草枯水剂0.2 kg/亩或人工及时除草,防治效果都在90%以上。

Ligusticum moniliforme Z.X. Peng et B.Y. Zhang, sp. nov is a new variety of Ligusticum . Its distribution in Gansu and harmfulness were revealed through investigation. The biological characters of Ligusticum Moniliforme, such as growth period, dormant habits of stem tuber node, anti adversity, rule of emerging, and habits of flowering and producing seeds, were ascertained by indoor and outdoor studies. These characters provided a scientific base for making control policy and weeding methods. The different...

Ligusticum moniliforme Z.X. Peng et B.Y. Zhang, sp. nov is a new variety of Ligusticum . Its distribution in Gansu and harmfulness were revealed through investigation. The biological characters of Ligusticum Moniliforme, such as growth period, dormant habits of stem tuber node, anti adversity, rule of emerging, and habits of flowering and producing seeds, were ascertained by indoor and outdoor studies. These characters provided a scientific base for making control policy and weeding methods. The different herbicide experiments proved that Metsulfuron methyl and Chlorsulftron can be selected to control Ligusticum Moniliforme remarkably. The results showed that the best weeding effect can be gained by spraying 15 g/hm 2 Metsulfuron methyl or Chlorsulftron at the stage of the third leaf of wheat. This control method not only was simple, save work, save time, but also safe to the suecessive crops such as corn and pea. The application of this control method was extended to 73 333 hm 2from 1993 to 1995. The weeding effects achieved to 92.23%. Comparing with the artificial weeding, the chemical weeding increased wheat yield by 375 kg/hm 2, and by products by 570 kg/hm 2. The economical profits were obvious.

调查了串珠藁本(ligusticummoniliformeZ.X.PengetB.Y.Zhangsp.nor)在甘肃高寒阴湿区的分布、危害情况。经室内外研究,摸清了其生育期、块茎状节休眠习性与抗逆能力、田间出苗规律及开花、结实习性等生物学特性。通过不同药剂试验,筛选出了防除串珠藁本显著的绿磺隆、甲磺隆等除草剂。应用技术研究表明,小麦三叶期用15g/hm2喷雾效果好,方法简便、省工、省时,且对玉米、蚕豆、油菜等后茬作物安全;1993~1995年应用绿磺隆累计示范推广7.35万hm2,防除效果达92.23%。与人工除草比较,增产小麦382.95kg/hm2,副产物增加574.5kg/hm2,经济效益显著

 
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